MLA
Galleries, Brady's National Photographic Portrait. Union General Edwin Vose Sumner. E. and H. T. Anthony, 1862. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22, Folder 47. https://digital.library.emory.edu/purl/416c2fr0bb-cor.
APA, 6th edition
Galleries, B. N. P. P. (1862). Union general Edwin Vose Sumner (Box 22, Folder 47) [Cartes-de-visite (card photographs)]. E. and H. T. Anthony; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/416c2fr0bb-cor.
Chicago
Galleries, Brady's National Photographic Portrait. “Union General Edwin Vose Sumner.” Cartes-de-visite (card photographs). Civil War Collection. New York City, NY: E. and H. T. Anthony, 1862. Box 22, Folder 47. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/416c2fr0bb-cor.